Alice Springs town basin, review 2003
Read, R. E.
E-Publications; E-Books; PublicationNT; Report ; no. 42/2003
2003-12-01
Made available via the Publications (Legal Deposit) Act 2004 (NT).
Date:2003-12
English
Department of Infrastructure, Planning and Environment
Alice Springs
Report ; no. 42/2003
application/pdf.
Check within Publication or with content Publisher.
https://hdl.handle.net/10070/229443
https://hdl.handle.net/10070/672980
LIST OF CONTENTS VOLUME 1 VOLUME 1 ................................................................................................................. iii LIST OF FIGURES ......................................................................................................vi LIST OF FIGURES ......................................................................................................vi VOLUME 2 .................................................................................................................vii LIST OF APPENDICES..............................................................................................vii 1 Description of the Alice Springs Town Basin .......................................................1 1.1 Extent/study area............................................................................................1 1.2 Zones..............................................................................................................1 2 Physiography..........................................................................................................3 3 Geology..................................................................................................................3 3.1 Structure.........................................................................................................3 3.2 Strata ..............................................................................................................3 4 Surface water .........................................................................................................3 4.1 Surface Water Monitoring .............................................................................4 5 Hydrogeology ........................................................................................................8 5.1 Previous investigations ..................................................................................8 5.2 Aquifers........................................................................................................14 5.2.1 Alluvial aquifers...................................................................................14 5.2.2 Basement aquifers ................................................................................15 5.2.3 Aquifers outside the limits of the alluvial basin ..................................15 5.3 Water Table..................................................................................................16 5.3.1 Groundwater Monitoring .....................................................................16 5.3.2 History of the water table.....................................................................18 5.3.3 Perched water tables ............................................................................21 5.4 Water Quality...............................................................................................21 5.4.1 Major ions ............................................................................................21 5.4.2 Hydrocarbons.......................................................................................30 5.4.3 Other Pollutants ...................................................................................32 5.4.4 Bacterial ...............................................................................................32 5.4.5 Viral .....................................................................................................33 5.4.6 Radionucleides.....................................................................................33 5.4.7 Stable isotopes .....................................................................................33 5.4.8 Salt and Chloride Balance....................................................................34 5.4.9 Trends in Salinity.................................................................................35 5.4.10 Salt storage...........................................................................................36 5.5 Hydraulic characteristics..............................................................................37 5.5.1 Aquifers................................................................................................37 5.6 Groundwater movement...............................................................................39 5.6.1 Trends (directions) ...............................................................................39 5.6.2 Flow models.........................................................................................40 5.7 Recharge ......................................................................................................40 5.7.1 Mechanisms .........................................................................................40 5.7.2 Major recharge zones...........................................................................42 5.8 Discharge through Heavitree Gap................................................................42 5.8.1 Hydraulic gradients ..............................................................................42 5.8.2 Outflow ................................................................................................42 5.8.3 Water quality........................................................................................42 iii